CN211013464U

CN211013464U - Rotation durability testing device of supporting arm

Info

Publication number: CN211013464U
Application number: CN201921465201.3U
Authority: CN
Inventors: 张海; 吕技伟; 何念念; 朱亚伟
Original assignee: EVA Precision Industrial Suzhou Co Ltd
Current assignee: EVA Precision Industrial Suzhou Co Ltd
Priority date: 2019-09-04
Filing date: 2019-09-04
Publication date: 2020-07-14
Anticipated expiration: 2029-09-04

Abstract

The utility model provides a rotation durability testing arrangement of support arm, at first the mount table has been set up, install a plurality of test unit on it, test unit includes drive disk assembly, drive mechanism and locating plate, it has the sheet metal component to fix a position on the locating plate, the sheet metal component includes base plate and support arm, the support arm rotates to be connected on the base plate, drive mechanism includes the rack, the gear, transmission shaft and anchor clamps, gear roll connection is on the rack, the first end of anchor clamps and gear difference fixed connection are in the relative both ends of transmission shaft, the second end chucking support arm of anchor clamps, reciprocating motion is done to the rack under the drive of cylinder, the gear rotates under the drive of rack, and anchor clamps rotate under the drive of gear, and then drive the back and forth rotation of support arm. The utility model discloses compare in prior art and accomplish the rotation test through direct effectual gear, rack drive structure auxiliary stay arm, the stability of its height satisfies the permanence requirement of test to it is adjustable to rotate the frequency, satisfies multiple test demand.

Description

Rotation durability testing device of supporting arm

Technical Field

The utility model relates to a rotation capability test of support arm particularly, relates to a rotation durability testing arrangement of support arm.

Background

The rotation test platform is a device for rotation measurement, when the rotation performance of a product is to be tested, the test device and the tested product are placed on the rotation test platform, then the rotation of the rotation test device drives the product to rotate, and the rotation performance of the product can be tested in different degrees by adjusting the frequency of the driving device, so that more complete test data can be obtained.

At present, the durability test is not carried out on the supporting arm in the related technical field, only the primary torsion test is carried out on the product simply, the service life and the performance experience of the product are not considered, the hidden danger in quality exists, the more strict product management and service pursuit does not exist, the long-term development experience and the deep and distant strategy of the product are not facilitated, for example, the torsion attenuation curve of the supporting arm in the test period of ten thousand times of round trip has influence on the product use experience of a client.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a rotation durability testing arrangement of support arm, compare in prior art and accomplish the rotation test through direct effectual gear, rack drive structure auxiliary support arm, the stability of its height satisfies the permanence requirement of test to rotation frequency is adjustable, satisfies multiple test demand.

For this reason, the utility model provides a rotation durability testing arrangement of support arm, at first, the mount table has been set up, install a plurality of test element on it, test element includes drive disk assembly, drive mechanism and locating plate, it has the sheet metal component to fix a position on the locating plate, the sheet metal component includes base plate and support arm, the support arm rotates to be connected on the base plate, drive mechanism includes the rack, the gear, transmission shaft and anchor clamps, gear roll connection is on the rack, the first end of anchor clamps and gear difference fixed connection are in the relative both ends of transmission shaft, the second end chucking support arm of anchor clamps, the rack is reciprocating motion under the drive of cylinder, the gear rotates under the drive of rack, and anchor clamps rotate under the drive of gear, and then drive the back and forth rotation of support arm.

Further, the rack is slidably mounted on the mounting table through a limiting seat.

Furthermore, the limiting seat comprises a linear guide rail and two limiting plates, the two limiting plates are respectively connected to two opposite sides of the linear guide rail, the rack is connected to the linear guide rail in a sliding mode, and the two limiting plates respectively abut against two opposite sides of the rack.

Further, the limiting plate is an L-shaped plate.

Furthermore, the inner side end face of the limiting plate abuts against the rack, and the inner side end face of the limiting plate is an arc-shaped face.

Further, a transmission plate is fixedly connected between the rack and the cylinder.

Furthermore, a base block is fixedly installed on the installation table, and the transmission shaft penetrates through the base block.

Further, the clamp and the gear are located on opposite sides of the base block, respectively.

Further, anchor clamps include U-shaped piece and two clamping bars, U-shaped piece fixed connection in the tip of transmission shaft, two clamping bars fixed connection on the U-shaped piece.

Further, the supporting arm is clamped between the two clamping rods.

The utility model provides an among the rotation durability testing arrangement of support arm, mount table and a plurality of test element have mainly been set up, every test element can test a support arm, a plurality of support arm simultaneous testing can improve the efficiency and the uniformity of test, test element includes drive assembly, drive mechanism and locating plate, the locating plate is used for fixing a position the support arm, avoid it to take place the offset in the test procedure, drive assembly adopts the cylinder, adopt pneumatics as power, little to the impact force of product, all have very big improvement on from product standard and the efficiency, drive mechanism includes the rack, the gear, transmission shaft and anchor clamps, gear roll connection is on the rack, the rack is reciprocating motion under the drive of cylinder, and then drive gear drive, and then drive the support arm and rotate, accomplish the rotation test of support arm.

Therefore, compared with the prior art, the structure has the following advantages:

1. the rotation durability test of the supporting arm is realized, the durability data of a product of a client is informed in advance, and the use experience of the client is further improved.

2. The transmission structure is simple and direct, and the stability is strong.

3. The rotation frequency is adjustable, and various test requirements are met.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a schematic structural diagram of a rotation durability testing apparatus for a support arm according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a rotation durability testing apparatus for a support arm according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a rotation durability testing apparatus for a support arm according to an embodiment of the present invention.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

The first embodiment is as follows:

referring to fig. 1 to 3, a rotation durability testing device for a supporting arm according to an embodiment of the present invention is shown, which first of all sets up a mounting platform 1 on which a plurality of testing units are mounted, each testing unit includes a driving part 2, a transmission mechanism 3 and a positioning plate 4, a sheet metal part 41 is positioned on the positioning plate 4, the sheet metal part 41 includes a base plate 411 and a supporting arm 412, the supporting arm 412 is rotatably connected to the base plate 411, the transmission mechanism 3 includes a rack 31, a gear 32, a transmission shaft 33 and a clamp 34, the gear 32 is rotatably connected to the rack 31, a first end of the clamp 34 and the gear 32 are respectively fixedly connected to opposite ends of the transmission shaft 33, a second end of the clamp 34 clamps the supporting arm 412, the driving part 2 is an air cylinder, the rack 31 is driven by the air cylinder 2 to reciprocate, the gear 32 is driven by the rack 31 to rotate, and the clamp 34 is driven by the gear 32 to rotate, thereby driving the support arm 412 to rotate back and forth.

Referring to fig. 1 to 3, a rack 31 is slidably mounted on a mounting table 1 through a limiting seat 5, the limiting seat 5 includes a linear guide 51 and two limiting plates 52, the two limiting plates 52 are respectively connected to two opposite sides of the linear guide 51, the rack 31 is slidably connected to the linear guide 51, the two limiting plates 52 respectively abut against two opposite sides of the rack 31, the limiting plates 52 are L-shaped plates, inner side end surfaces of the limiting plates 52 abut against the rack 31, the inner side end surfaces of the limiting plates 52 are arc-shaped surfaces, a transmission plate 21 is fixedly connected between the rack 31 and a cylinder 2, a base block 11 is fixedly mounted on the mounting table 1, a transmission shaft 33 penetrates through the base block 11, a clamp 34 and a gear 32 are respectively located on two opposite sides of the base block 11, the clamp 34 includes a U-shaped block 341 and two clamping rods 342, the U-shaped block 341 is fixedly connected to an end portion of the transmission shaft 33, the two clamping rods 342 are fixedly connected to.

3. The rotation frequency is adjustable, and various test requirements are met.

Example two:

referring to fig. 1 to fig. 3, a rotation durability testing apparatus for a supporting arm according to a second embodiment of the present invention is shown in the drawings, and the present embodiment further provides the following technical solutions as improvements on the basis of the above embodiments: fixed mounting has base block 11 on mount table 1, and in transmission shaft 33 wore to locate base block 11, the through-hole had been seted up to base block 11, installed oil-free axle sleeve in the through-hole, transmission shaft 33 rotated and installed in oil-free axle sleeve, and then improved transmission shaft 33's life, can reduce the resistance that the rotation produced simultaneously, improved the drive efficiency of cylinder.

Example three:

referring to fig. 1 to fig. 3, a rotation durability testing apparatus for a supporting arm according to a third embodiment of the present invention is shown in the drawings, and the present embodiment further makes the following technical solutions as improvements on the basis of the above embodiments: install a plurality of test unit on mount table 1, test unit includes drive assembly 2, drive mechanism 3 and locating plate 4, is equipped with pivot and locating pin between locating plate 4 and the mount table 1, and locating plate 4 rotates through the pivot and installs on mount table 1, and the angle modulation of locating plate 4 is finished and is fixed with the locating pin, and this structure is for being applicable to more various products.

Example four:

referring to fig. 1 to fig. 3, a rotation durability testing apparatus for a supporting arm according to a fourth embodiment of the present invention is shown, and the present embodiment further provides the following technical solutions as improvements on the basis of the above embodiment: the clamp 34 includes a U-shaped block 341 and two clamping rods 342, the U-shaped block 341 is fixedly connected to the end of the transmission shaft 33, the two clamping rods 342 are both elastically connected to the U-shaped block 341, the supporting arm 412 is clamped between the two clamping rods 342, and the distance between the two clamping rods 342 can be adjusted due to the design of the elastic structure of the two clamping rods 342, so that the supporting arms 412 with different thicknesses can be clamped.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A rotation durability test apparatus of a support arm, comprising:

the test device comprises an installation table (1), wherein a plurality of test units are installed on the installation table, each test unit comprises a driving part (2), a transmission mechanism (3) and a positioning plate (4), a sheet metal part (41) is positioned on each positioning plate (4), each sheet metal part (41) comprises a base plate (411) and a supporting arm (412), and each supporting arm (412) is rotatably connected to each base plate (411);

the transmission mechanism (3) comprises a rack (31), a gear (32), a transmission shaft (33) and a clamp (34), the gear (32) is connected to the rack (31) in a rolling manner, a first end part of the clamp (34) and the gear (32) are respectively fixedly connected to two opposite ends of the transmission shaft (33), and a second end part of the clamp (34) clamps the support arm (412);

the driving part (2) is an air cylinder, the rack (31) is driven by the air cylinder to do reciprocating motion, the gear (32) is driven by the rack (31) to rotate, the clamp (34) is driven by the gear (32) to rotate, and then the supporting arm (412) is driven to rotate back and forth.

2. A support arm rotation durability test apparatus as claimed in claim 1, wherein the rack (31) is slidably mounted on the mounting table (1) through a limit seat (5).

3. A supporting arm rotation durability testing device according to claim 2, wherein the limiting seat (5) comprises a linear guide (51) and two limiting plates (52), the two limiting plates (52) are respectively connected to two opposite sides of the linear guide (51), the rack (31) is slidably connected to the linear guide (51), and the two limiting plates (52) respectively abut against two opposite sides of the rack (31).

4. A device for testing the rotational durability of a support arm according to claim 3, wherein the position-limiting plate (52) is an L-shaped plate.

5. A supporting arm rotation durability testing device according to claim 4, characterized in that the inner side end face of the limiting plate (52) abuts against the rack (31), and the inner side end face of the limiting plate (52) is an arc-shaped face.

6. A device for testing the rotational durability of a support arm according to any one of claims 1 to 5, characterized in that a transmission plate (21) is fixedly connected between the rack (31) and the cylinder.

7. The rotation durability test device of a supporting arm according to claim 1, characterized in that a base block (11) is fixedly installed on the installation table (1), and the transmission shaft (33) is arranged in the base block (11) in a penetrating way.

8. A support arm rotation durability testing apparatus as claimed in claim 7, wherein said clamp (34) and said gear (32) are located on opposite sides of said base block (11).

9. A device for testing the rotational durability of a support arm according to claim 1, wherein the clamp (34) comprises a U-shaped block (341) and two clamping bars (342), the U-shaped block (341) is fixedly connected to the end of the transmission shaft (33), and the two clamping bars (342) are fixedly connected to the U-shaped block (341).

10. A device for testing the rotational durability of a support arm according to claim 9, wherein the support arm (412) is clamped between the two clamping bars (342).